On Sat, Apr 01, 2017 at 07:06:33PM +0530, simran singhal wrote:
> The function nf_nat_need_gre() on being called, simply returns
> back. The function doesn't have FIXME code around.
> Hence, nf_nat_need_gre() and its calls have been removed.
>
> Signed-off-by: simran singhal <singhalsimr...@gmail.com>
> ---
> net/ipv4/netfilter/nf_nat_pptp.c | 2 --
> net/ipv4/netfilter/nf_nat_proto_gre.c | 6 ------
> 2 files changed, 8 deletions(-)
>
> diff --git a/net/ipv4/netfilter/nf_nat_pptp.c
> b/net/ipv4/netfilter/nf_nat_pptp.c
> index b3ca21b..747e737 100644
> --- a/net/ipv4/netfilter/nf_nat_pptp.c
> +++ b/net/ipv4/netfilter/nf_nat_pptp.c
> @@ -282,8 +282,6 @@ pptp_inbound_pkt(struct sk_buff *skb,
>
> static int __init nf_nat_helper_pptp_init(void)
> {
> - nf_nat_need_gre();
> -
> BUG_ON(nf_nat_pptp_hook_outbound != NULL);
> RCU_INIT_POINTER(nf_nat_pptp_hook_outbound, pptp_outbound_pkt);
>
> diff --git a/net/ipv4/netfilter/nf_nat_proto_gre.c
> b/net/ipv4/netfilter/nf_nat_proto_gre.c
> index edf0500..c020a4d 100644
> --- a/net/ipv4/netfilter/nf_nat_proto_gre.c
> +++ b/net/ipv4/netfilter/nf_nat_proto_gre.c
> @@ -142,9 +142,3 @@ static void __exit nf_nat_proto_gre_fini(void)
>
> module_init(nf_nat_proto_gre_init);
> module_exit(nf_nat_proto_gre_fini);
> -
> -void nf_nat_need_gre(void)
> -{
> - return;
> -}
> -EXPORT_SYMBOL_GPL(nf_nat_need_gre);
There is a good reason why we have this :)
By digging out and doing a bit of software archeology work via the
'git annotate' you know this triggers an explicit module dependency.
